Global Patent Index - EP 1052062 A1

EP 1052062 A1 20001115 - Pré-conditioning fixed abrasive articles

Title (en)

Pré-conditioning fixed abrasive articles

Title (de)

Vorbehandlung eines fixierten Schleifmittels

Title (fr)

Préconditionnement d'un article abrasif fixé

Publication

EP 1052062 A1 20001115 (EN)

Application

EP 00303717 A 20000503

Priority

US 13217599 P 19990503

Abstract (en)

The disclosure relates to a method and apparatus for pre-conditioning a fixed abrasive article (100) comprising a plurality of projections (120a-120a-c) before initial use of the abrasive article for polishing a workpiece surface, comprising providing the fixed abrasive article in an initial, as manufactured, state comprising a plurality of spaced-apart abrasive particle-containing projections extending from the surface of a backing layer, the projections extending for different heights above the backing layer surface and having upper surfaces with different textures; and mechanically treating the projection to substantially equalize the heights of the projections and the textures of the upper surfaces thereof. <IMAGE>

IPC 1-7

B24B 37/04; B24B 53/007; B24D 3/00

IPC 8 full level

B24B 37/20 (2012.01); B24B 53/007 (2006.01); B24B 53/017 (2012.01); B24D 3/00 (2006.01); B24D 3/28 (2006.01); B24D 3/34 (2006.01); B24D 7/12 (2006.01); H01L 21/302 (2006.01); H01L 21/304 (2006.01)

CPC (source: EP)

B24B 37/205 (2013.01); B24B 53/017 (2013.01); B24D 3/00 (2013.01); B24D 3/28 (2013.01); B24D 3/34 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 1052062 A1 20001115; JP 2001062701 A 20010313; KR 20010020807 A 20010315; US 2004082288 A1 20040429; US 7014538 B2 20060321

DOCDB simple family (application)

EP 00303717 A 20000503; JP 2000134966 A 20000508; KR 20000023670 A 20000503; US 38207903 A 20030305